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Network settings
Press , and select Tools > Settings > Phone >
Network.
Your device can automatically switch between the GSM
and UMTS networks. The GSM network is indicated with
in the standby mode. The UMTS network is indicated
with
.
● Network mode — Select which network to use. If you
select Dual mode, the device uses the GSM or UMTS
network automatically, according to the network
parameters and the roaming agreements between the
wireless service providers. Contact your network
service provider for details and roaming costs. This
option is shown only if supported by the wireless
service provider.
● Operator selection — Select Automatic to set the
device to search for and select one of the available
networks, or Manual to manually select the network
from a list. If the connection to the manually selected
network is lost, the device sounds an error tone and
asks you to reselect a network. The selected network
must have a roaming agreement with your home
cellular network.
A roaming agreement is an agreement between two
or more service providers to enable the users of one
service provider to use the services of other service
providers.
● Cell info display — Select On to set the device to
indicate when it is used in a cellular network based on
microcellular network (MCN) technology and to
activate cell info reception.
Connection settings
In connection settings, you can edit access points and
other connectivity settings.
You can also edit settings for Bluetooth connectivity in the
Bluetooth connectivity application.
See "Settings", p. 97.
You can also edit settings for data cable connections in
the USB application.
See "USB", p. 100.
Data connections and access points
Your device supports packet data connections (network
service), such as GPRS in the GSM network. When you use
your device in GSM and UMTS networks, multiple data
connections can be active at the same time, and access
points can share a data connection. In the UMTS network,
data connections remain active during voice calls.
You can also use a WLAN data connection. Only one
connection in one wireless LAN can be active at a time,
but several applications can use the same internet access
point.
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